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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Import progress bar backend
*
* @package PhpMyAdmin
*/
/* PHP 5.4 stores upload progress data only in the default session.
* After calling session_name(), we won't find the progress data anymore.
*
* https://bugs.php.net/bug.php?id=64075
*
* The bug should be somewhere in
* https://github.com/php/php-src/blob/master/ext/session/session.c#L2342
*
* Until this is fixed, we need to load the default session to load the data,
* export the upload progress information from there,
* and re-import after switching to our session.
*
* However, since https://github.com/phpmyadmin/phpmyadmin/commit/063a2d99
* we have deactivated this feature, so the corresponding code is now
* commented out.
*/
/*
if (version_compare(PHP_VERSION, '5.4.0', '>=')
&& ini_get('session.upload_progress.enabled')
) {
$sessionupload = array();
define('UPLOAD_PREFIX', ini_get('session.upload_progress.prefix'));
session_start();
foreach ($_SESSION as $key => $value) {
// only copy session-prefixed data
if (mb_substr($key, 0, mb_strlen(UPLOAD_PREFIX))
== UPLOAD_PREFIX) {
$sessionupload[$key] = $value;
}
}
// PMA will kill all variables, so let's use a constant
define('SESSIONUPLOAD', serialize($sessionupload));
session_write_close();
session_name('phpMyAdmin');
session_id($_COOKIE['phpMyAdmin']);
}
*/
define('PMA_MINIMUM_COMMON', 1);
require_once 'libraries/common.inc.php';
require_once 'libraries/display_import_ajax.lib.php';
list(
$SESSION_KEY,
$upload_id,
$plugins
) = PMA_uploadProgressSetup();
/*
if (defined('SESSIONUPLOAD')) {
// write sessionupload back into the loaded PMA session
$sessionupload = unserialize(SESSIONUPLOAD);
foreach ($sessionupload as $key => $value) {
$_SESSION[$key] = $value;
}
// remove session upload data that are not set anymore
foreach ($_SESSION as $key => $value) {
if (mb_substr($key, 0, mb_strlen(UPLOAD_PREFIX))
== UPLOAD_PREFIX
&& ! isset($sessionupload[$key])
) {
unset($_SESSION[$key]);
}
}
}
*/
// $_GET["message"] is used for asking for an import message
if (isset($_GET["message"]) && $_GET["message"]) {
// AJAX requests can't be cached!
PMA_noCacheHeader();
header('Content-type: text/html');
// wait 0.3 sec before we check for $_SESSION variable,
// which is set inside import.php
usleep(300000);
$maximumTime = ini_get('max_execution_time');
$timestamp = time();
// wait until message is available
while ($_SESSION['Import_message']['message'] == null) {
// close session before sleeping
session_write_close();
// sleep
usleep(250000); // 0.25 sec
// reopen session
session_start();
if ((time() - $timestamp) > $maximumTime) {
$_SESSION['Import_message']['message'] = PMA\libraries\Message::error(
__('Could not load the progress of the import.')
)->getDisplay();
break;
}
}
echo $_SESSION['Import_message']['message'];
echo '<fieldset class="tblFooters">' , "\n";
echo ' [ <a href="' , $_SESSION['Import_message']['go_back_url']
. '">' , __('Back') , '</a> ]' , "\n";
echo '</fieldset>' , "\n";
} else {
PMA_importAjaxStatus($_GET["id"]);
}